If f(x) = a^x, show that f(x+h) - f(x)/h = a^x(a^h - 1/h)
G greatwhiteshark Full Member Joined May 8, 2005 Messages 279 Jun 23, 2005 #1 If f(x) = a^x, show that f(x+h) - f(x)/h = a^x(a^h - 1/h)
G Gene Senior Member Joined Oct 8, 2003 Messages 1,904 Jun 24, 2005 #2 f(x) = a^x f(x+h) - f(x)/h = a^(x+h) - a^x/h = a^x*a^h - a^x/h
G greatwhiteshark Full Member Joined May 8, 2005 Messages 279 Jun 24, 2005 #3 okay I can follow the prove steps and will try similar questions thanks to your help.
